Fabric Mods for Minecraft 1.21
Browse 37 free Fabric mods for Minecraft 1.21 — popular picks include Redstone Pen, [SUC]Surival Useful Circuit生电全家桶, Redstone Sound Slider.
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Redstone Pen
Adds a pen to draw Redstone selectively and optimized, as well as signal repeating relays, and a Redstone logic controller.
[SUC]Surival Useful Circuit生电全家桶
生电全家桶 An advanced Minecraft survival redstone and automation modpack featuring Carpet and Masa mods.

Redstone Sound Slider
Adjust your piston / dispenser / trapdoor / buildstone volume separately from other blocks.
GD656极致生电整合包
An ultimate power generation integration package specially designed for Redstone players
AsguhoServer
Simply a really optimized server with the tools you need to build awesome contraptions. This modpack include mods such as carpet, syncmatica etc.
Redstone Essentials
The most essential mods for Technical Minecraft.
Survival enhancement-生存增強
Modpack for Redstone enthusiasts. 適合紅石玩家的輔助模組包。
Optimized Play
this it a optimizing help you have good fps and you can use metalmod for mac and sodium,iris,phosphor,...
Redstone Helper
Mod which must you to help with redstone!
Redstone Optimized
An Modpack that includes some auxiliary modules and allows you to play Minecraft smoothly. 一個整合包,包含一些輔助模組,同時又能流暢遊玩Minecraft。
RedstoneCore OptiX「红枢智核」
🚀 红枢智核 RedstoneCore OptiX 零延迟红石 × 光影可视化 × 暴力优化 | Zero-Tick Redstone × RTX Vision × Quantum Optimization 🖥️ 核显58帧→独显100+帧 | 🖥️ iGPU 58FPS → dGPU 100+FPS 🌌 动态体积云+零降帧 | 🌌 Dynamic Clouds + Zero FPS Loss
All Of Utility 2
Redstone tech, carpet+addons, exploration, visual, QOL, building tools.
MaxOptimize
optimization Bioelectricity Redstone Beautify
Smooth Doors Animations
This mod add a smooth animation when opening doors in minecraft, instead of the instant opening without an animation
像素城_魔法核心整合包【PixelCity_MagicCore Modpack】
《像素城》魔法核心整合包(1.21.11版),专注生存红石工程。为自动化系统、多人性能优化及技术向Minecraft玩法量身打造。PixelCity MagicCore Modpack (1.21.11) for Survival Redstone Engineering. Optimized for automation systems, multiplayer performance, and technical Minecraft gameplay.
Redstone OptiUnity一体化红石优化
A redstone & optimization modpack for vanilla Minecraft servers. 一款红石优化的整合包,适用于原版Minecraft服务器。
SRC
Survival,Redstone and Creative
红石生电冒险优化[Redstone Power Adventure Optimization]
融合了多种优质模组与资源包,让玩家更容易上手mc,另外增加了红石生电优化,增加其实用性,以及游玩体验.(It integrates multiple high-quality mods and resource packs, making it easier for players to get started with MC. Additionally, it has optimized the generation of redstone electricity, enhancing it)
TC VeinGlow PC
An advanced vein mining mod with radial menu, RGB-customizable block outline highlighter, custom mining shapes, and a skill system for harvesting, tree-felling, and liquid handling.

Opti Tech
A client-side modpack for technical redstone players
NaOH
I added some mods and texture packs aimed at enhancing players' game visuals and FPS, suitable for both survival redstone servers and vanilla survival gameplay.
紅石生電整合包【Redstone Survival Modpack】
為奶油芝士伺服器訂製,單人亦可使用 This modpack customized for the ButterCheese server, also suitable for singleplayer.
Seclosia Redstone Modpack
This a modpack with a range of technical mods perfect for any technical and redstone player. It also includes a few QoL features, with non of the mods included altering vanilla gameplay.
AWAWA'S Clan
AWAWA’s Clan is the official modpack of the AWAWA Clan on the DiosesMC server. It features performance enhancements, visual improvements, advanced chat communication, Redstone tweaks, and full compliance with server rules, delivering a smooth and immersi
Simply Redstonized
A performance-focused redstone modpack made with my favorite mods and resource packs.
Performance Optimization Patch
A performance optimization patch bundle, suitable for all vanilla survival players and redstone players.
Process Optimized
PROCESS Optimized Pack, deeply tuned for low-end GPUs, delivering stable 300-512 FPS with full technical redstone support, bringing smooth Minecraft 1.21.10 gameplay to aging hardware.
Chunk Border Redstone Highlighter
A client-side performance debugging tool that highlights redstone components sitting on chunk borders — the #1 cause of server lag. Toggle with one keypress (O).
Mojav Optimised
This modpack is designed to supercharge Minecraft performance on Fabric, improve framerate stability, reduce lag, and offer useful quality-of-life enhancements — especially on tougher worlds with lots of entities, redstone, or visual load.
redstone-refined
A redstone-focused modpack with building tools and performance improvements. Build complex systems lag-free.
computer_6
A lightweight redstone optimization pack
I Like Stone That Is Red
A pretty good redstone modpack.
Protect My Redstone
A singleplayer mod that detects active redstone ticks in loaded chunks and warns you before you log out to avoid breaking your farms/flying machines.
Cobalt Age
An expanded redstone, up to 60 power lenght, waterloggable, optimized, with vertical relays, incompatible with redstone, and blue! It comes with minerals and block sets.
Carpet Mod (1.21.11, 1.20.1) – Game Performance Monitoring
Carpet Mod is a popular modification for Minecraft that enhances the game by providing advanced tools for monitoring, controlling, and optimizing gameplay. It is particularly favored by technical players and server administrators. It provides many tools, commands and special capabilities that extend vanilla Minecraft-especially useful for technical players, redstone engineers, farms, and automation. Features: Tools […]
Survival Discovered for minecraft
This modpack is designed for all players who enjoy Survival Redstone Circuit. 一个面向所有热爱生电的玩家的整合包